Singapore Weather in December
December in Singapore averages 29°C (84°F) during the day and 25°C (77°F) at night. December is part of the rainy season, with around 320 mm (13 in) of rainfall and frequent showers.
Rainfall in Singapore in December
Singapore is in the rainy season in December, with rain on around 20 days and an average of 320 mm (13 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Singapore in December
In December, Singapore gets high temperatures, with highs of 29°C (84°F). Nights cool to around 25°C (77°F). Overall, the month follows a fairly predictable daily temperature pattern. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Singapore in December
The month experiences a moderate amount of sunlight, with 134 hours of sunshine. This provides a nice balance between sunshine and rain.
Wind Speed in Singapore in December
Wind speeds average 2 m/s (4 knots) during December. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.
Average water temperature in December
The water temperature is 27°C (81°F), which most people find very comfortable. A good month for swimming and water sports.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Singapore. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Singapore, check out our Singapore's climate page.
Singapore Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Water Temperature
27°C (81°F)
Chance of Rain
65%
Precipitation
320 mm (13 in)
Rainy days
20 days
Humidity
87%
Windspeed
2 m/s (4 knots)
Sunshine
134 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Singapore typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Singapore in December
Browse day-by-day weather records for Singapore spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Singapore historical weather extremes in December
Our historical data for Singapore spans 1981 to 2025, revealing these weather extremes.
- On December 7, 2024, temperatures climbed to 34°C (93°F), marking the warmest December day on record.
- On December 4, 1989, Singapore saw its coldest December day with temperatures maxing out at 23°C (73°F).
- Singapore registered its coldest December night on December 18, 2013, with temperatures dropping to 21°C (70°F).
- The wettest day in December Singapore was on December 26, 2006 with 204 mm (8 in) of precipitation.
Best Places in Singapore in December
Find out more about the weather in Singapore and which places have the best travel conditions in this month. See all of Singapore in December →
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What to Wear in Singapore in December
Warm but pleasant conditions in Singapore in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Singapore in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Singapore, check out our Singapore's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Singapore climate overview or explore weather in Singapore.
